<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
          <img src="../assets/imgs/home.png" alt="">
          <span>电商后台管理系统</span>
      </div>
       <el-button type="info" @click="lofout">退出</el-button>
    </el-header>
    <!-- 页面主题区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="isCollapse?'64px':'200px'">
        <!-- 侧边栏区域 -->
        <div class="toggle-button" @click="toggleCollapse"> |||</div>
        <!-- unique-opened一次只能打开一个列表 -->
         <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened :collapse="isCollapse" :collapse-transition="false" router>
            <!-- 一级菜单 -->
            <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
               <!-- 一级菜单的模板区域 -->
                 <template slot="title">
                   <!-- 图标 动态绑定图标-->
                   <i :class="iconsObj[item.id]"></i>
                   <!-- 文本 -->
                   <span>{{item.authName}}</span>
                 </template>

                 <!-- 二级菜单 -->
                 <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id">
                 <template slot="title">
                 <!-- 图标el-icon-menu 是小方块 -->
                 <i class="el-icon-menu"></i>
                  <!-- 文本 -->
                  <span>{{subItem.authName}}</span>
                 </template>
        </el-menu-item>
      </el-submenu>
    </el-menu>
  </el-aside>
      <!-- 右侧内容主题 -->
      <el-main>welcome
        <!-- 路由占位符 -->
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
export default {
  data(){
      return{
        // 左侧菜单数据
        menulist:[],
        // 定义的是字体的对象
        iconsObj:{
          '125':"el-icon-user",
          '103':"el-icon-setting",
          '101':"el-icon-s-goods",
          '102':"el-icon-s-order",
          '145':"el-icon-s-claim"
        },
        // 是否折叠
        isCollapse:false
      }
  },
  created(){
    // 获取左侧的全部菜单
    this.getMenuList()
  },
  methods: {
    lofout() {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    // 获取所有的菜单
    async getMenuList(){
     const{data:res}=await this.$http.get('menus') 
     if(res.meta.status!=200) return this.$message.errorre(res.meta.msg)
     this.menulist=res.data
     console.log(res)
    },
    // 点击按钮，切换菜单的折叠与展开
    toggleCollapse(){
      this.isCollapse =!this.isCollapse
    }
  },
}
</script>
<style lang="less" scoped>
.home-container{
  height:100%;
}
.el-header{
  background-color: #333744;
  display: flex;
  justify-content:space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
 > div{
    display: flex;
    align-items: center;
    span{
      margin-left: 15px;
    }
  >img{
    width:65px ;
    height: 65px;
  }
    
  }

}
.el-aside{
  background-color:#333744;
  .el-menu{
    // 菜单出来的那一点设置为0
    border-right:none;
  }
}
.main{
  background-color: rgb(187, 41, 48);
}
// 图标和文本之间的间距
.iconfont{
  margin-right: 10px;
}
.toggle-button{
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
}
</style>